【产品】28V/2A采用薄型TSOT23-6L封装的同步DC-DC降压转换器AP3320

时间： 2019-01-18 来源：伊凡微

技术问答

深圳伊凡微电子是深圳市高新技术企业及国家高新技术企业，其主要的芯片产品包括AC-DC、DC-DC电源IC、USB识别IC、QC3.0快充IC、同步整流IC、低功耗LDO等。AP3320是其推出的一款2A同步DC-DC降压转换器，输入电压可达28V，集成了130mΩ高侧MOSFET和70mΩ低侧MOSFET，可提供高效降压DC-DC转换，采用集成补偿网络的峰值电流模式控制，可通过最少化外部元件数量实现，支持脉冲跳跃调制（PSM），具有20uA典型值的超低静态电流，在轻负载条件下，在1mA时实现80％以上的效率，5mA时实现88％的效率。AP3320是一款电磁干扰（EMI）友好型降压转换器，采用优化设计，可降低EMI。

图1 AP3320的PIN配置图

图2 AP3320的典型应用电路

AP3320提供输出过压保护，逐周期峰值电流限制和热关断保护，采用薄型TSOT23-6L封装。

AP3320同步DC-DC降压转换器的产品特性：

•开关节点无振铃减少EMI

•具有6％频率扩频FSS的500kHz开关频率
•脉冲跳跃模式PSM，在轻负载条件下具有20uA静态电流
•3.8V~28V宽输入电压范围
•高达2A连续输出负载电流
•0.8V±1％反馈参考电压

•集成130mΩ（高侧）/70mΩ（低侧）低导通电阻R_dson功率MOSFET

•1uA关断电流

•80ns最短开启时间

•可编程UVLO阈值和迟滞的精确使能阈值

•低压差模式操作
•内置4ms软启动时间
•输出过压保护
•160°C热关断保护
•采用TSOT23-6L封装

AP3320同步DC-DC降压转换器的应用领域：

•白色家电，家电

•监控设备

•音频，WiFi扬声器

•打印机，充电站

•数字电视，机顶盒，监视器/液晶显示器

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兵荒马乱的小青春 Lv6. 高级专家 2022-06-09

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鄗立恒 Lv8. 研究员 2019-01-18

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目录- 公司简介 TVS 半导体放电管 MOSFET 电源管理IC(PMIC) 质量管理体系、RoHS认证证书

型号- P4SM6.8CA-200A,CM2302C,CM2302B,CM2302A,AU3321D5,SMDJ5.0CA-220CA,SMAJ5.0A-550A,SMF5.0A-220CA,CM3416E,3.0SMC6.8CA-250CA,AU1801P1,CM3134EW,CM3404B,CMN3018S8,AR0501S2,CM2301G,AU1221P1,AU1221P0,CM2301C,CM60N10AGB,CM2301B,CM2301A,AR0534P3,CMP2033S8,AR0521M0,AR0521M1,CMN6075S9,S4MP5.0CA-170A,1.0SMBJ6.8CA-530A,P4SM6.8A-200CA,ASD08C,5.0SMDJ11A-220A,AR0501P0,CMN2006F3,CMN6009S8,CM65R360_F,AU0701D5,ASD12,ASMBS10A-43A,AR0524P5,AU2401D5,AR0501P1,AU0771P1,CMN3205B,1.5SMC6.84-600A,AR1203P3,SMBJ5.0A-550CA,CM65R360_P,CM60R2K2_D,5.0SMDJ11CA-220CA,SMCJ5.0A-550A,3KP5.0A-220A,AST05,CM05N50U,CMN251R0F5,AU0541P1,ASD08,AR0502S2,AR0502S1,AU2581P1,CM60R2K2_U,CMO4N65U,CMO4N65P,ASD05,ALCDA15C-1,3KP5.0A-220CA,AR0502S5,ASD12CL,CMN2006U,AR0541D3,5KP5.0A-220CA,CMO4N65F,P4SMA6.8A-600CA,CMO4N65D,P4SMA6.8CA-600CA,SMBJ5.0CA-550A,1.5SMB6.8CA-250A,AU1231P1,S4MP5.0A-170A,5.0SMDJ11CA-220A,AR0502P6,CM9435,AR0502P1,AR0502P2,AU0521P1,ASD24CL,AU0521P0,15KP5.0A-220CA,SMBJ5.0CA-550CA,AU0761M1,AU0761M0,AU3381P1,AU0861P0,AU1232S5,CM65R850_F,CMN3205P,CM65R850_P,AU3611P1,CM2305B,CM2305A,AU0561D5,CM2N7002DW,AU0522S2,ASD36CL,AU0581P1M,AU1501D5,3.0SMC6.8A-250A,AU0581P1H,AU1811P1,AU2881D3,SMB6.8A-250CA1.5,AR3311D3H,ASD05L,AU0521PZ,P4KE6.8A-600A,CM2304A,ASD05C,CM65R850_U,AR1201P1,CM60R150_F,CM60N10AGP,CM60R150_K,AU0533S1,P6KE6.8A-600A,AUO811P1,AR0504S6,AU1221P1L,SMB15.J5.0A-180CA,P6SMA6.8CA-440CA,AR0504S2,AR0504S3,AU0531P1,AU0521S5,AU3304P7,CM1601,CM1602,CM3415E,ASM05C,CM2N7002,CM2324,P6SMA6.8A-440A,CM2326,ASM05H,AU1204S2,ASD15CM,CMN3013F3D,P4SM6.8CA-200CA,1.5KE6.8A-600CA,CMBSS84,AR2504P9,AU3311P0,P6SMB6.BA-600CA,AR2504P8,AU1881P1,AU3311P1,AU0771D5,CM3400,CM2310,AR2504P3,ASD24L,ASD12L,CM2312,CM3401,ASD36L,ASD12C,AU3351D5,AU2512PT,AU1231D5,AU0511P0,AU0521M0,AU0511P1,ASD36C,AU0524S2,ASD24C,CM2615E,AR3354S2,AU0521M1,SMDJ5.0CA-220A,CM3407,CM100N15GB,LC03-3.3,ALCA24C-1,AU0511PF,AU0551D5,CM2616E,AU0522P1,ALCDA12C-1,CMN3003B,1.0SMBJ6.8CA-530CA,CM2N7002K,SMDJ5.0A-220A,CM8205S,CM4407,AR0531P1,AU1201P0,AU1201P1,ASD05CL,AR0554P3,AR1211P1,AR2411D3,ASM1235,AU3321P0,ASR3.3,S4MP5.0CA-170CA,CM40P03U,AU3321P1,AR0521P1,AR0534S2,AR0511S1,AU0531D5,CMN3010F3,AR0521P0,AU0531D9,AU0504S6,AR0521P6,AU4581P1,CM65R2K6_D,AR2421D5,CMN4006F3,LC03-6,AU0502P1,AU0514PD,SMCJ5.0CA-550CA,CMN3004U,CM65R2K6_U,ASM36C,ASM24C,ASM12C,AU3401T1,ASM12H,CMN401R0F5,P4SMA6.8CA-600A,5KP5.0A-220A,P2SM6.8CA-250CA,AU3301P1,AU0721P1,CM60N10AGF5,AU0721P0,P4SMA6.8A-600A,CM2300,AR2502S8,ASM15C,AU1211P1,ASD33L,CM65R550_F,ASMF05C,CM2303,ASMF05L,AU1224S6,ASM15H,AU0521P1L,ASD33C,AR0544MP,CM65R550_P,AU0501P0,AU0501P1,SMDJ5.0A-220CA1.0,AR0534P9,CM2305,ASL05C,CM7319S8,AU0731P1,CM4953,AR3321P0,AR3321P1,AU0524P7,AU0541D5,AU0512P1,AR1255P4,P6KE6.8CA-600A,5.0SMC13A-250CA5.0,CM4407AF3,CMN6009F5,AR4501D9,CM65R190_P,ASM15,AR0551S2,ASM12,SLVU2.8-4,ASM33C,5.0SMC13A-250A,SLVU2.8-8,AU0506S8,ASM33H,AR3311P6,CMN4004F5,CM65R190_F,AU1201D5,CM65R190_K,ASM05,AR0507M8,AU0521D5,ASD40L,AU0521D9,SMBJ6.8A-530CA1.5,AR0508PB,ASD40C,SMCJ5.0A-550CA,ASL05-36,AU0521D3,CM3134E,AU2421P1,CMN3008F5,AU0505S2,SMBJ5.0A-550A,SMB15.J5.0A-180A,ASM33,SMB10J5.0CA-440A,ASM36,AR0552S2,SMA6J5.0CA-220CA,CM3134T,AU0505S6,SMC6.84-600CA,SMCJ5.0CA-550A,5.0SMC13CA-250A,CM70R400_P,CM3134K,CM1602S,AR0921P1,CMP3031F2,CM70R400_F,CMP3049S8,1.5KE6.8A-600A,AR8001S2,1.5SMC6.8C4-600A,P6SMB6.BCA-600CA,ASM24,SMAJ5.0CA-550A,SMA6J5.0CA-220A,CMN4008LU,CM1601S,AR0508MP,AU0504S2,CM10N65F,P2SM6.8A-250CA,AU0504S5,CM10N65P,ASR70,AU1521P1,CMN6075AS9,AU1521P0,SMB15.J5.0CA-180A,AUO701PIL,AU2411P1,CM60N10GF5,15KP5.0CA-220CA,AR3324P5,CM60R125_K,AU2521P0,AU2521P1,CMO5N50D,CMN3012S8,AR1511D3,P4KE6.8A-600CA,P6KE6.8A-600CA,3KP5.0CA-220A,SMB10J5.0CA-440CA,5KP5.0CA-220A,AR0524P5L,1.5SMB6.8A-250A,CM60R125_F,ASDO8CL,1.5KE6.8CA-600CA,CM60R090_K,AU0511D5,AR3304S2,AR0541P1,AU0511D9,P2SM6.8CA-250A,AR0554S8,AR1821P1,1.0SMBJ6.8A-530A,AU1221D3,CMN6086S8D,AU1221D5,P6SMA6.8A-440CA,AU0581P1,AR0821P1,ASD40CL,ASDOBL,SRV05-4E,AU2804S8,CM3139EW,CM4435,SMF5.0A-220A,ASRV05-4,CM07N80F,AU0701P1,CM07N80P,AU2401P1,CMN2006S8,AU3601D5,1.5SMB6.8CA-250CA,CMN6006S8,AR0504P3,AR0811D3,AR0504P4,5KP5.0CA-220CA,AU3601P1,AU0721D5,AR3321D5,S4MP5.0A-170CA,1.5KE6.8CA-600A,P6SMB6.BA-600A,AU0791P1,SMF5.0CA-220A,AU0561P0,AU0561P1,AR2421P1,SMA6J5.0A-220CA,AR0514MP,CMN4006S8,AR0521D5,ASMF05,AR0521D3,AR0504P9,AR0504PC,AR0521D9,CMN3004F5,P6SMB6.BCA-600A,AU0506M8,CM8205,5.0SMC13CA-250CA,P2SM6.8A-250A,LC03-3.3L,AR0504MP,AU3301D5,AU3301D3,SMB15.J5.0CA-180CA,AR0511D3,AU1821P1,ASD1524,CM12N65F,3.0SMC6.8CA-250A,CMBSS138,CM12N65P,SMF5.0CA-220CA,AU0501D5,P6KE6.8CA-600CA,AU1211P1L,AR3304P9,AR3304P8,SMDJ11A-220CA,AR3304P5,CM65R280_P,1.5SMC6.8C4-600CA,P4KE6.8CA-600CA,AR3304P3,AU0501D1,AU1521D5,CM65R280_F,AR3603P3,CMN3003F5,15KP5.0A-220A,P6SMA6.8CA-440A,AR1521P1,CMO4N80U,3KP5.0CA-220CA,ASD33,CM07N65F,CM07N65D,AR7004S2,SMAJ5.0A-550CA,ASD36,CMO4N80D,CM07N65P,SMB10J5.0A-440A,SMAJ5.0CA-550CA,CM07N65U,15KP5.0CA-220A,AU3351P1,AST24,AR3306PA,CM70R1K1_U,AU1261P1,SRV05-4,CMN2342,ASD24,CM70R1K1_D,AU0561M1,AR3311D3,AR0506PA,AU0551P1,AR1501P1,AU0561M0,CMN3006F3,AR121

选型指南 - 应能微 - 2021 PDF 中文下载

【选型】替代Silergy公司SY8303的完全集成同步降压型DC-DC转换器AP2450

AP2450是伊凡微推出的一款完全集成的同步降压DC-DC转换器，支持5A连续电流输出，宽输入动态范围3.8V~38V，输出电压0.8V~36V可调，通过改变外部电阻值可调节开关频率，同时支持外部时钟同步。可替代Silergy公司SY8303同步降压DCDC转换器。

器件选型发布时间 : 2019-08-21

伊凡微降压转换器选型表

伊凡微提供以下技术参数的降压转换器选型，输入电压范围有低压2V，也有高达38V，输出电流从750mA~5000mA之间，快速的响应速度，20uA超低待机电流，良好的EMC特性，完整的过压、过流、短路、过温等一系列保护措施。

产品型号

品类

DC/DC Topology

Output Current Max(mA)

VIN Min(V)

VIN Max(V)

Output Voltage(V)

Switching Frequency(MHz)

Quiescent Current(μA）

20uA low IQ 28V/2A Synchronous DC-DC Buck Converter

选型表 - 伊凡微立即选型

高集成电源管理芯片供应商宝砾微(powlicon)旗下降压/升压/升降压转换器等产品，适用于各类升降压应用场景

近日，世强硬创电商再签下一家电源管理芯片制造商宝砾微(powlicon)。深圳宝砾微电子有限公司成立于2014年，从事高集成度的DC-DC电源管理芯片的研发生产。在2020年，宝砾微推出了其首款首颗大功率USB PD快充电源芯片PL5501，同步四开关单向升降压控制器，覆盖3.6V~32V（最大36V）的输入电压，持续负载电流达20A，支持多种升降压场合应用场合。此次签约，宝砾微正式授权世强代理旗

公司动态发布时间 : 2021-03-22

【选型】国产同步降压DC-DC转换器替换TI TPS54540DDAR可行性分析，静态工作电流仅25μA

伊凡微AP2450是一个完全集成的同步降压DCDC转换器，采用峰值电流模式控制，脉冲宽度调制（PWM）和脉冲跳过模式（PSM）之间的无缝过渡确保了卓越的瞬态响应，在睡眠模式下的静态电流为25μA可以作为TI TPS54540DDAR的替换备选。

器件选型发布时间 : 2021-11-30

【视频】圣邦微低功耗可直通降压转换器及多种高性能DCDC、ADC、DAC

型号- SGM42501,SGM61032,SGM42500,SGM61430,GM58603,SGM61032A,SGM61032B,SGM452,SGM5353,SGM450,SGM4027,SGM451,SGM58600,SGM58601

商品及供应商介绍 - SGMICRO PDF 中文下载

目前产品使用的是TPS54335 DC-DC转换器？求介绍一个可以替换的IC，应用在WIFI扬声器产品中，谢谢

伊凡微(YFW)的AP54331可以替代，AP54331是其推出的一款3A同步降压转换器，具有高达32V的宽输入电压范围，完全集成了80mΩ高侧MOSFET和42mΩ低侧MOSFET，可提供高效率的降压DC-DC转换，采用峰值电流模式控制和集成补偿网络，使AP54331易于使用，可以最大限度地减少片外元件数量，AP54331支持具有典型20uA超低静态电流的脉冲跳跃调制（PSM）功能。详细参数参考数据手册，链接https://www.sekorm.com/doc/1067511.html

技术问答发布时间 : 2019-03-12